:root {
  --primary-color: #1890ff;
  --primary-hover: #40a9ff;
  --text-color: #333;
  --text-secondary: #666;
  --border-color: #e8e8e8;
  --bg-color: #f5f5f5;
  --card-bg: #fff;
  --header-height: 64px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: #f0f0f0;
  color: var(--text-color);
}

.btn-secondary:hover {
  background-color: #e6e6e6;
}

/* 卡片样式 */
.card {
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 16px;
  margin-bottom: 16px;
}

/* 标签样式 */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  background-color: #f0f0f0;
  color: var(--text-secondary);
  margin-right: 8px;
}

/* 布局样式 */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: 16px;
}

.mb-4 {
  margin-bottom: 16px;
}

.mt-4 {
  margin-top: 16px;
}

/* 文本样式 */
.text-lg {
  font-size: 18px;
}

.text-sm {
  font-size: 14px;
}

.font-bold {
  font-weight: bold;
}

.text-gray {
  color: var(--text-secondary);
}

/* 响应式布局 */
@media (max-width: 768px) {
  .container {
    padding: 0 12px;
  }
  
  .flex {
    flex-direction: column;
  }
} 